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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Dev Platform
Agents
Voice
Video
Audio
Research
Coding
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Image
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Grammarly
A
Ideogram
S
Midjourney
S
NotebookLM
S
TaglineGrammar check + tone + AI drafting, everywhere you type.The one that actually gets text in images right.The aesthetic gold standard for AI image generation.Google's research notebook. Turns your docs into a podcast.
CategoryWritingImageImageResearch
PricingFree + $12-$15/mo Premium + team plansFree + $8/mo + $20/mo + $60/mo$10-$120/moFree
Best forNon-native English writers, business email, anyone who types a lot.Anything with text — posters, ads, album covers, slide decks.Anyone who wants beautiful images without thinking about prompts.Students, researchers, anyone with a stack of PDFs or a topic to learn.
Strengths
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Best-in-class art direction
  • v7 is stunning
  • Great style consistency
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
Weaknesses
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • No free tier
  • Discord-first UX (web now available)
  • Less controllable than ComfyUI
  • Google-only
  • Can be slow on large corpora
Kai's verdictA-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.S-tier for text-in-image. Use this for posters, Midjourney for art.S-tier for aesthetics. If you care how it looks more than how it's made, this wins.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
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